Home / 31,127.70-46,677.51-8,936.04

Finding the Fourth Proportional to 31,127.70, 46,677.51 and 8,936.04

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Solution

The fourth proportional to 31,127.70, 46,677.51 and 8,936.04 is: 13,400.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,127.70 : 46,677.51 = 8,936.04 : x
  2. Step 2: Convert to fraction form
    31,127.70/46,677.51 = 8,936.04/x
  3. Step 3: Cross multiply
    31,127.70x = 46,677.51 × 8,936.04
  4. Step 4: Simplify right side
    31,127.70x = 417,112,096.46
  5. Step 5: Solve for x
    x = 417,112,096.46/31,127.70
  6. Step 6: Final answer
    x = 13,400.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.